The React ecosystem in San Francisco

React developers in San Francisco represent 5 percent of the national pool, with 43 percent maintaining public email addresses for outreach. When sourcing in this market, expect complementary skills in Node.js, TypeScript, and PyTorch, indicating a mix of full-stack JavaScript developers and those with machine learning interests.

Among the most active React developers in San Francisco that StarHunt surfaces, 43% list a public email, so a large share can be reached directly.

What other skills do San Francisco React developers have?

React engineers in San Francisco frequently combine their expertise with other technologies. The most common complementary skills found in their GitHub profiles:

Node.js TypeScript PyTorch Python Rust

Which companies employ React developers in San Francisco?

The employers most represented among the React developers we surface in San Francisco, based on what they state publicly on GitHub. Useful as a target list, and as a read on who you are competing with for the same people.

#Company
1vercel
2Facebook
3OpenAI

Projects built by React developers in San Francisco

Their own most-starred repositories, not the ecosystem projects they contribute to. This is the clearest evidence of what people here actually ship.

#ProjectStars
1abi/screenshot-to-code★ 74,004
2necolas/normalize.css★ 53,540
3rauchg/slackin★ 6,497

Most active React repositories

The open-source projects defining the React ecosystem globally. San Francisco engineers contribute to these repositories and build on top of them.

react/react
The library for web and native user interfaces.
⭐ 247976
5d ago
vercel/next.js
The React Framework
⭐ 141959
4d ago
react/react-native
A framework for building native applications using React
⭐ 126426
5d ago
shadcn-ui/ui
A set of beautifully-designed, accessible components and a code distribution platform. Works with yo
⭐ 122249
6d ago
microsoft/playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and We
⭐ 95219
5d ago

How to find React engineers in San Francisco

StarHunt searches GitHub repositories rather than resumes. For React developers in San Francisco, it starts from the canonical open-source projects in the ecosystem, extracts contributors, cross-checks their location against the San Francisco area, and ranks them by how well they match your search.

This approach surfaces engineers who are actively writing code, not just claiming skills. Profiles with San Francisco locations and React contributions are ranked by follower count, repository activity, and bio relevance.

Frequently asked questions

How many React developers are in San Francisco?

StarHunt ranks the most active React developers in San Francisco as of September 2026, sourced from real GitHub contribution activity, and the index keeps growing.

Can you contact React developers in San Francisco directly?

43% of the most active React developers in San Francisco that StarHunt surfaces list a public email on their GitHub profile, so a large share can be reached directly.

What other technologies do San Francisco React developers use?

Most commonly Node.js, TypeScript, PyTorch, based on the technologies listed across their indexed GitHub profiles.

How do you source React developers in San Francisco?

Describe the role or paste a job description in StarHunt and filter to San Francisco. It returns a ranked shortlist of React developers by their real GitHub contributions, with public contact details you can export, so you can source and reach out in minutes.

Find React engineers in San Francisco

Search StarHunt's index of San Francisco GitHub developers. Filter by technology and location, get results in under 2 minutes.

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